Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A taxonomic
class within thesubphylum Radiozoa — including numerous minutemarine species. The skeleton is composed ofsilica , and is often very elegant in form and sculpture. Many have been found in the fossil state..
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
New Latin, Ancient Greek πολύς (polys, "many") + κύστις (kustis, "bladder") + -ina
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Examples
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With regard to organisms, however, the wonderful Acanthometræ and the Polycystina may be mentioned as presenting complexities of form which can hardly be thought to be due to other than _internal_ causes.
On the Genesis of Species St. George Mivart
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No power on earth can make these little urns of the _Polycystina_ except
Natural Law in the Spiritual World Henry Drummond 1874
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